What is the Greatest Common Factor of 12855 and 12859?

Greatest common factor (GCF) of 12855 and 12859 is 1.

GCF(12855,12859) = 1

We will now calculate the prime factors of 12855 and 12859, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12855 and 12859.

How to find the GCF of 12855 and 12859?

We will first find the prime factorization of 12855 and 12859. After we will calculate the factors of 12855 and 12859 and find the biggest common factor number .

Step-1: Prime Factorization of 12855

Prime factors of 12855 are 3, 5, 857. Prime factorization of 12855 in exponential form is:

12855 = 3¹ × 5¹ × 857¹

Step-2: Prime Factorization of 12859

Prime factors of 12859 are 7, 11, 167. Prime factorization of 12859 in exponential form is:

12859 = 7¹ × 11¹ × 167¹

Step-3: Factors of 12855

List of positive integer factors of 12855 that divides 12855 without a remainder.

1, 3, 5, 15, 857, 2571, 4285

Step-4: Factors of 12859

List of positive integer factors of 12859 that divides 12855 without a remainder.

1, 7, 11, 77, 167, 1169, 1837

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12855 and 12859. The biggest common factor number is the GCF number.
So the greatest common factor 12855 and 12859 is 1.

Also check out the Least Common Multiple of 12855 and 12859